Iranian leader Khamenei tempers expectations on nuclear talks with US
Khamenei said Tehran retains a "very pessimistic" overall view of the US and should not tie its national affairs to nuclear negotiations.
An illustrative image of US President Donald Trump and Iran's Supreme Leader Ayatollah Ali Khamenei.(photo credit: SHUTTERSTOCK/REUTERS/CARLOS BARRIA/KHAMENEI.IR)ByREUTERSUpdated: